diff --git a/yarn.lock b/yarn.lock
index cffef03..a8a6874 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -213,9 +213,11 @@ asn1.js@^4.0.0:
     minimalistic-assert "^1.0.0"
 
 asn1@~0.2.3:
-  version "0.2.3"
-  resolved "https://registry.yarnpkg.com/asn1/-/asn1-0.2.3.tgz#dac8787713c9966849fc8180777ebe9c1ddf3b86"
-  integrity sha1-2sh4dxPJlmhJ/IGAd36+nB3fO4Y=
+  version "0.2.4"
+  resolved "https://registry.yarnpkg.com/asn1/-/asn1-0.2.4.tgz#8d2475dfab553bb33e77b54e59e880bb8ce23136"
+  integrity sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==
+  dependencies:
+    safer-buffer "~2.1.0"
 
 assert-plus@^0.2.0:
   version "0.2.0"
@@ -810,9 +812,9 @@ batch@0.5.3:
   integrity sha1-PzQU84AyF0O/wQQvmoP/HVgk1GQ=
 
 bcrypt-pbkdf@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.1.tgz#63bc5dcb61331b92bc05fd528953c33462a06f8d"
-  integrity sha1-Y7xdy2EzG5K8Bf1SiVPDNGKgb40=
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz#a4301d389b6a43f9b67ff3ca11a3f6637e360e9e"
+  integrity sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=
   dependencies:
     tweetnacl "^0.14.3"
 
@@ -1803,11 +1805,12 @@ eazy-logger@3.0.2:
     tfunk "^3.0.1"
 
 ecc-jsbn@~0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/ecc-jsbn/-/ecc-jsbn-0.1.1.tgz#0fc73a9ed5f0d53c38193398523ef7e543777505"
-  integrity sha1-D8c6ntXw1Tw4GTOYUj735UN3dQU=
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz#3a83a904e54353287874c564b7549386849a98c9"
+  integrity sha1-OoOpBOVDUyh4dMVkt1SThoSamMk=
   dependencies:
     jsbn "~0.1.0"
+    safer-buffer "^2.1.0"
 
 editorconfig@^0.13.2:
   version "0.13.2"
@@ -2612,9 +2615,9 @@ get-stdin@^4.0.1:
   integrity sha1-uWjGsKBDhDJJAui/Gl3zJXmkUP4=
 
 getpass@^0.1.1:
-  version "0.1.6"
-  resolved "https://registry.yarnpkg.com/getpass/-/getpass-0.1.6.tgz#283ffd9fc1256840875311c1b60e8c40187110e6"
-  integrity sha1-KD/9n8ElaECHUxHBtg6MQBhxEOY=
+  version "0.1.7"
+  resolved "https://registry.yarnpkg.com/getpass/-/getpass-0.1.7.tgz#5eff8e3e684d569ae4cb2b1282604e8ba62149fa"
+  integrity sha1-Xv+OPmhNVprkyysSgmBOi6YhSfo=
   dependencies:
     assert-plus "^1.0.0"
 
@@ -3312,13 +3315,6 @@ isstream@~0.1.2:
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
   integrity sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo=
 
-jodid25519@^1.0.0:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/jodid25519/-/jodid25519-1.0.2.tgz#06d4912255093419477d425633606e0e90782967"
-  integrity sha1-BtSRIlUJNBlHfUJWM2BuDpB4KWc=
-  dependencies:
-    jsbn "~0.1.0"
-
 js-base64@^2.1.8:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/js-base64/-/js-base64-2.5.0.tgz#42255ba183ab67ce59a0dee640afdc00ab5ae93e"
@@ -5195,6 +5191,11 @@ safe-buffer@^5.0.1, safe-buffer@^5.1.2:
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
   integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
 
+safer-buffer@^2.0.2, safer-buffer@^2.1.0, safer-buffer@~2.1.0:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
+  integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
+
 sass-graph@^2.1.1:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/sass-graph/-/sass-graph-2.1.2.tgz#965104be23e8103cb7e5f710df65935b317da57b"
@@ -5581,19 +5582,18 @@ sprintf-js@~1.0.2:
   integrity sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=
 
 sshpk@^1.7.0:
-  version "1.10.2"
-  resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.10.2.tgz#d5a804ce22695515638e798dbe23273de070a5fa"
-  integrity sha1-1agEziJpVRVjjnmNviMnPeBwpfo=
+  version "1.16.1"
+  resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.16.1.tgz#fb661c0bef29b39db40769ee39fa70093d6f6877"
+  integrity sha512-HXXqVUq7+pcKeLqqZj6mHFUMvXtOJt1uoUx09pFW6011inTMxqI8BA8PM95myrIyyKwdnzjdFjLiE6KBPVtJIg==
   dependencies:
     asn1 "~0.2.3"
     assert-plus "^1.0.0"
-    dashdash "^1.12.0"
-    getpass "^0.1.1"
-  optionalDependencies:
     bcrypt-pbkdf "^1.0.0"
+    dashdash "^1.12.0"
     ecc-jsbn "~0.1.1"
-    jodid25519 "^1.0.0"
+    getpass "^0.1.1"
     jsbn "~0.1.0"
+    safer-buffer "^2.0.2"
     tweetnacl "~0.14.0"
 
 stackframe@^1.0.2: